/*
 * Copyright (c) 2012-2017 Red Hat, Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Red Hat, Inc. - initial API and implementation
 */
package org.eclipse.che.api.core.notification;

import java.util.Arrays;
import java.util.LinkedHashSet;
import java.util.Set;
import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

/** @author andrew00x */
@Singleton
public class EventOriginServerPropagationPolicy implements ServerEventPropagationPolicy {
  private final Set<String> forPropagation;

  @Inject
  EventOriginServerPropagationPolicy(
      @Named("notification.server.propagate_events") String[] forPropagation) {
    this.forPropagation = new LinkedHashSet<>(Arrays.asList(forPropagation));
  }

  @Override
  public boolean shouldPropagated(Object event) {
    final EventOrigin eventOrigin = event.getClass().getAnnotation(EventOrigin.class);
    return eventOrigin != null && forPropagation.contains(eventOrigin.value());
  }
}
